var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
let cors = require('cors');
let expressJWT = require('express-jwt')

var ylxRouter = require('./routes/index_ylx');
var zghRouter = require('./routes/index_zgh');
var ysyRouter = require('./routes/index_ysy');
var dxrRouter = require('./routes/index_dxr');
var hdyRouter = require('./routes/index_hdy');

var app = express();
app.use(cors())
app.use('/upload', express.static('upload'))
// //注册token验证中间件
// app.use(expressJWT({
//   //解析口令 需要和加密的时候保持一致
//   secret: "keyword",
//   //加密方式 SHA256 加密方式在express-jwt 里面叫做 HS256
//   algorithms: ["HS256"]
// }).unless({
//   //不需要验证token 的路径标识（下面的路由不需要进行token验证）
//   // path: ["/ylx/login", "/ylx/refreshtoken", "/dxr/cart", /\\upload/, "/zgh/upload", "/ylx/sendcode"]
//   path: ["/ylx/login", "/ylx/refreshtoken","/dxr/cart","/ysy/bookList","/zgh/upload","/ysy/bookDations", /\\upload/,"/sellBooks",'/ysy/look','/ysy/bookList_add']
// }))


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/ylx', ylxRouter);
app.use('/zgh', zghRouter);
app.use('/ysy', ysyRouter);
app.use('/dxr', dxrRouter);
app.use('/hdy', hdyRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
